package DI2;

public class A317ZUO2 {
    String shuming;
    String chubanshe;
    String zuozhe;
    String riqi;
    public void showCenter(){
        System.out.println("书名是："+shuming);
        System.out.println("出版社是："+chubanshe);
        System.out.println("作者是："+zuozhe);
        System.out.println("出版日期是："+riqi);
    }
}
